77419520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15121}}^1$

素因数の和:15146

約数の個数: 44

約数和(自身を含む): 185728404

約数和(自身を除く): 108308884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 15121, 30242, 60484, 75605, 120968, 151210, 241936, 302420, 483872, 604840, 967744, 1209680, 1935488, 2419360, 3870976, 4838720, 7741952, 9677440, 15483904, 19354880, 38709760, 77419520]

約数ペア:

[(1, 77419520), (2, 38709760), (4, 19354880), (5, 15483904), (8, 9677440), (10, 7741952), (16, 4838720), (20, 3870976), (32, 2419360), (40, 1935488), (64, 1209680), (80, 967744), (128, 604840), (160, 483872), (256, 302420), (320, 241936), (512, 151210), (640, 120968), (1024, 75605), (1280, 60484), (2560, 30242), (5120, 15121)]